Package se.liu.ida.hefquin.engine.queryplan.logical

Interface NullaryLogicalOp

All Superinterfaces:

LogicalOperator

All Known Implementing Classes:

LogicalOpRequest

public interface NullaryLogicalOp
extends LogicalOperator

An interface for any type of LogicalOperator that has an arity of zero.

Method Summary

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.logical.LogicalOperator

getExpectedVariables, getID, visit